Homeβ€Ί Rancho RS999055 Shock Absorber - Front
Part #: RS999055

Rancho RS999055 Shock Absorber - Front

RS9000XL, Front
86 vehicles fit this part
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RS9000XL, Front
Fitment: Chevrolet, GMC, and Hummer, Suburban 2500, Yukon XL 2500, Silverado 2500 HD, Sierra 2500 HD, H2, Silverado 1500 HD Classic, Silverado 2500 HD Classic, Sierra 1500 HD Classic, Sierra 2500 HD Classic, Avalanche 2500, Silverado 1500 HD, Sierra 1500 HD, Silverado 2500, and Sierra 2500
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Overview of Rancho RS9000XL Suspension Shock Absorber

The Rancho RS9000XL Suspension Shock Absorber (Part Number RS999055) is engineered for heavy-duty trucks and SUVs, providing reliable damping performance. Designed specifically for Chevrolet, GMC, and Hummer models, this shock absorber enhances ride control and stability under various driving conditions.

  • Compatible with Chevrolet Avalanche 2500, GMC Sierra 1500 HD, Sierra 2500 HD, Silverado 1500 HD, Silverado 2500 HD, Suburban 2500, Yukon XL 2500, and Hummer H2
  • Includes compressed and extended bumper stops for improved suspension travel management
  • Dust shield included to protect internal components from debris
  • Lower mounting features loop bushing and sleeve mount (14mm sleeve ID x 1.5/16" sleeve OAL)
  • Reserve tube diameter of 2.188 inches for enhanced fluid capacity
  • Travel length of 5.46 inches with compressed length of 15.46 inches and extended length of 23.2 inches

RS9000XL Product Line Details

The RS9000XL line from Rancho is designed to offer adjustable damping for a wide range of vehicles, allowing drivers to tailor suspension performance to their specific needs. This shock absorber model, RS999055, benefits from the RS9000XL's focus on versatility and durability, making it suitable for heavy-duty applications on Chevrolet, GMC, and Hummer trucks and SUVs.

Technical Features and Specifications

This suspension shock absorber includes both compressed and extended bumper stops, which help control suspension travel and prevent damage from over-compression or extension. The dust shield protects the shock's internal components from dirt and debris, extending service life. The lower mounting uses a loop bushing and sleeve mount with precise dimensions (14mm sleeve ID x 1.5/16" sleeve OAL), ensuring a secure fit. The reserve tube diameter of 2.188 inches supports consistent hydraulic performance, while the travel length of 5.46 inches balances comfort and control.

Applications and Problem Solving

  • Improves ride stability and handling on Chevrolet Avalanche 2500 and GMC Sierra 2500 HD vehicles
  • Reduces suspension bottoming and harsh impacts on Silverado 1500 HD and Suburban 2500 models
  • Minimizes dust and debris intrusion to extend shock absorber life
  • Provides consistent damping performance for heavy-duty use in Hummer H2 and Yukon XL 2500
  • Addresses suspension wear and tear from off-road and towing conditions

Installation Notes and Tips

  • Verify compatibility with your specific Chevrolet, GMC, or Hummer model before installation
  • Ensure proper alignment of the loop bushing and sleeve mount during installation
  • Inspect mounting hardware and replace if worn or damaged
  • Follow vehicle manufacturer torque specifications for mounting bolts
  • Test suspension travel after installation to confirm correct operation of bumper stops

Quality Assurance and Warranty

Rancho RS9000XL shock absorbers are manufactured to meet OEM standards for durability and performance. The RS999055 part number undergoes rigorous quality control to ensure consistent damping characteristics. While specific warranty details are not provided here, Rancho typically offers coverage against defects in materials and workmanship. Consult Rancho or your parts provider for exact warranty terms.

BrandRancho
Part NumberRS999055
PositionRS9000XL, Front
Compressed Bumper StopYes
Compressed Length15.46
Dust Shield IncludedYes
Extended Bumper StopYes
Extended Hydraulic LockoutNo
Extended Length23.2
Lower Mounting CodeLS42
Lower Mounting DescriptionLoop Bushing & Sleeve Mount - 14MM Sleeve ID X 1.5/16" Sleeve OAL
Parts PackP01356
Reserve Tube Diameter2.188
Travel Length5.46
Upper Mounting CodeS51

This part fits 86 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2013ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2013GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2012ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2012GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2011ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2011GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2010ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2010ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2010GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2010GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2009ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2009ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2009GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2009GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2009HummerH2Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2008ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2008ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2008GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2008GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2008HummerH2Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007ChevroletSilverado 1500 HD ClassicFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007ChevroletSilverado 2500 HD ClassicFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007GMCSierra 1500 HD ClassicFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007GMCSierra 2500 HD ClassicFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2007HummerH2Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2006ChevroletAvalanche 2500Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2006ChevroletSilverado 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2006ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2006ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2006GMCSierra 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2006GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2006GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2006HummerH2Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2005ChevroletAvalanche 2500Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2005ChevroletSilverado 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2005ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2005ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2005GMCSierra 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2005GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2005GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2005HummerH2Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2004ChevroletAvalanche 2500Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2004ChevroletSilverado 25004WDFrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2004ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2004ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2004GMCSierra 2500FrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2004GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2004GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2004HummerH2Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003ChevroletAvalanche 2500Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003ChevroletSilverado 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003ChevroletSilverado 25004WDFrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003GMCSierra 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003GMCSierra 2500FrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2003HummerH2Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002ChevroletAvalanche 2500Frontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002ChevroletSilverado 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002ChevroletSilverado 25004WDFrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002GMCSierra 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002GMCSierra 2500FrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2002GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2001ChevroletSilverado 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2001ChevroletSilverado 25004WDFrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2001ChevroletSilverado 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2001ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2001GMCSierra 1500 HDFrontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2001GMCSierra 2500FrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2001GMCSierra 2500 HDFrontwith Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2001GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2000ChevroletSilverado 25004WDFrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2000ChevroletSuburban 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2000GMCSierra 2500FrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
2000GMCYukon XL 2500Frontwithout Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
1999ChevroletSilverado 25004WDFrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL
1999GMCSierra 2500FrontExcept 4 Wheel Steering; without Electronic Adjustable Suspension; with Front Raised Height 5.0 (in) to 6.0 (in); RS9000XL

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.